With argparse.FileType, similar behavior integrates well with argparser https://docs.python.org/3/library/argparse.html#argparse.FileType https://docs.python.or

With argparse.FileType, similar behavior integrates well with argparser https://docs.python.org/3/library/argparse.html#argparse.FileType https://docs.python.org/3/library/argparse.html#argparse.Fil...